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Problem
Cause
Solution
Check
Burner doesn’t turn on
IFC ON/OFF circuit is OPEN
Ensure ON/OFF circuit is complete
Check the ON/OFF switch, confirm “-” symbol is pressed down
(check with multimeter)
Check for continuity across burner switch
Check for continuity across timing relay terminal A and B (see "Safety Circuit System")
Remote signal not being received
Ensure IFC is receiving remote commands (beeping)
Re-sync remote
**Remote commands may need to be repeated
Weak or dead remote batteries
Check reciever antenna is in correct location (see "Fireplace Control Panel")
Check for red blinking light on IFC (see "IFC locked out" below)
No call for heat
Ensure heat has been called for
Check thermostat setting is below set point
Check third party fireplace control
Unresponsive IFC
Ensure IFC is working correctly
Check circuit breaker
*audible beeps confirms IFC is getting power
Check for 120VAC at IFC
Check IFC fuse
Check for red blinking light on IFC (see "IFC error" troubleshooting section
Problem with pilot
Ensure pilot flame is operational
See "Pilot flame not lighting.." below
Pilot not attempting to
No call for heat
Ensure heat has been called for
Check thermostat setting is below set point
spark
Check third party fireplace control
Locked out IFC
Reset IFC
See "Unresponsive fireplace" below
Spark signal interruptted
Ensure complete sparker circuit
Check electrode rod not shorting out on burner platform - adjust rod only if necessary
Check electrode wire not shorting out (especially at aluminum pilot line)
Check orange electrode wire has firm connection at IFC
Check pilot electrode orientation to pilot hood - should be no more than 1/4" away
Natural vent
Power vent (PV) circuit is OPEN
Ensure PV circuit is closed (check with multimeter)
Check the PV switch, confirm “-” symbol is pressed down (see "Fireplace Control Panel")
Ensure the IFC PV jumper hasn’t come lose inside the IFC (orange wires)
Power vent
Power vent (PV) circuit is CLOSED
Ensure PV system is working
See "Fireplace unresponsive" below
Pilot flame not lighting or
Air in pilot gas line
Purge pilot gas line
May take a few ignition cycles for gas to self-purge (may need to hard reset IFC after cycles)
weak flame (has spark at
Not enough gas pressure
Ensure gas is reaching pilot
Check gas inlet supply and pressure (see "Gas Connections")
hood)
Check for complete wiring connections at valve (look for faux connections)
Check pilot is set-up for correct fuel-type
Check for pilot flame obstructions (typically burner media)
Check for debris in pilot line at pilot head (typically propane units)
Check pilot flame adjustment screw on valve
Check for pilot line leak - do you smell gas?
Pilot flame not staying lit
7 continuous days with no burner operation
Re-start fireplace using remote
This is normal
Problem with flame sensor circuit
Ensure healthy flame rectification
Ensure sensor hook is glowing bright red
Check for healthy pilot; ensure sensor hook is fully engulfed in flame
Check sensor hook is not touching pilot hood
Check white sensor wire has firm connection with IFC
Check sensor hook for corrosion, film, or debris
Check pilot for healthly ground (check pilot hood continuity)
Exhaust Restrictor Setting
Ensure correct exhaust restriction setting
See "Venting Configuration"
Flame dropping out
Improper fireplace settings
Ensure proper fireplace settings
Check exhaust restrictor setting; see "Venting Configuration"
(visual flame problems)
Check venting configuration is approved
Check for venting obstructions (including at termination cap)
Check primary air setting; see "Primary Air Adjustment"
Weak or irratic pilot flame
Ensure pilot flame is healthy
Check flame sensor circuit; see "Pilot flame not staying lit"
Environmental conditions (windy)
Fireplace adjustment may be necessary
Check for approved high-wind termination cap
Check for proper fireplace settings (see above)
Adjust exhaust restrictor only if necessary
Environmental conditions (extreme cold)
Use "Continuous Pilot" mode (CPI)
This will help the fireplace establish draft when freshly turned on
Flame dropping out
Problem with safety circuit
Ensure safety system is functioning correctly
Review safety system; see "Safety Circuit System"
(no visual flame problems)
Check monitored fan(s) are functioning at a decent speed
Check for complete sail switch operation
Check for continuity across sail switch terminals A and B (see "Safety Circuit System")
Check monitored fan(s) are functioning at a decent speed
Check for complete sail switch operation
Check for continuity across sail switch terminals A and B (see "Safety Circuit System")
Not enough gas supply
Ensure proper gas flow and pressure
Check fuel supply and gas test ports (see "Gas Connections")
Ensure pilot is operational
See "Pilot flame not staying lit"
Flame cycling on/off
No sail switch signal
Ensure proper sail switch operation
Ensure all sail switches are activating when cooling fans turn on (approx 15-20min)
(15-20 min)
There should be continuity across sail switch terminals when fan operating
Ensure cooling fan is properly mounted on isolators; fan must be level
Check for binding sail switch counterweight
Ensure sail switch body is secured in proper position
Dead or weak fan (monitered)
Ensure monitered fan(s) are running at a decent speed
Check for blown fan fuse
Check for dust, debris, or pet hair at fan axles
There should be continuity across fan terminals (check when off)
Ensure all fans are seeing at least 100VAC
If fan is weak but free of debris then replace
If all fans are weak, check for voltage output across fan rheostat
Flame cycling on/off
Sail switch(s) fluttering
Ensure proper sail switch operation
Check for weak fan (monitered) - See above
(irrating clicking)
Ensure sail paddle is in direct air flow
Ensure cooling fan is properly mounted on isolators; fan must be level
Ensure sail switch body is secured in proper position
Flame lifting
Too much primary air
Decrease primary air by closing air shutter (venturi)
See "Adjusting Primary Air Setting"
Exhaust restrictor setting
Improper exhaust restrictor setting
See "Venting Configuration"; adjust only if necessary
Problem with venting system
Ensure venting system is properly set-up
Check for approved high-wind termination cap
Check venting configuration is approved
Check for leaks in venting system
Input rate too high
Ensure correct gas orifice size and manifold pressure
See rating label for details
Trouble establishing draft (weather related)
Use "Continuous Pilot" mode (CPI)
This will help the fireplace establish draft when freshly turned on
Poor firebox seal
Ensure complete seal at glass silicone strips
Massage silicone strips to fill in sliver gaps and voids
Ensure all hand knobs are tight - ensure upper clamps are in correct slot location
Check for dirt or particles sticking to strips; use denatured alcohol to clean
Side glass may need adjustment (see "Inner Glass Installation")
Ensure top and bottom glass corners are sealed with liquid silicone (not included)
Ensure firebox sealed
Check for damaged fiberglass perimeter tape
Check for damaged or misalignment of pressure relief door gaskets
Uneven secondary air distribution
Ensure burner platform is secured
Check for missing or stripped screws
Check for warping in burner platform (when installed)
Ensure even air slot height around burner
Check for unsettled burner platform (sitting on a screw, liner clip, or weld build up)
(U70 NG models) Back and forth warping of diffuser mesh
This is normal
Incorrect media placement
Ensure secondary air slots are cleared
Check for piled up burner media covering air slots (vermiculite/glass media)
Flame weaving, bending or
uneven (some is normal)
Troubleshooting:
Troubleshooting
